@book{9326,
	author = {Symposim on Advances in Helio- and Asteroseismology of the International Astronomical Union and Dalsgaard-Christensen, Jorgen ed.},
	title = {Advances in helio- and asteroseismology},
	publisher = {D. Reidel Publishing},
	year = {1988},
	series = {IAU symposium; no. 123},
	address = {Dordrecht}
}